<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>Starts the session debugging</title>
 </head>
 <body class="docs"><div id="layout">
  <div id="layout-content"><div id="function.apd-set-pprof-trace" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">apd_set_pprof_trace</h1>
  <p class="verinfo">(PECL apd &gt;= 0.2)</p><p class="refpurpose"><span class="refname">apd_set_pprof_trace</span> &mdash; <span class="dc-title">Starts the session debugging</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.apd-set-pprof-trace-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>apd_set_pprof_trace</strong></span>
    ([ <span class="methodparam"><span class="type">string</span> <code class="parameter">$dump_directory</code><span class="initializer"> = ini_get(&quot;apd.dumpdir&quot;)</span></span>
   [, <span class="methodparam"><span class="type">string</span> <code class="parameter">$fragment</code><span class="initializer"> = &quot;pprof&quot;</span></span>
  ]] ) : <span class="type">string</span></div>

  <p class="para rdfs-comment">
   Starts debugging to <var class="filename">pprof_{process_id}</var> in the
   dump directory.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.apd-set-pprof-trace-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">dump_directory</code></dt>

     <dd>

      <p class="para">
       The directory in which the profile dump file is written. If not set, 
       the <strong class="option unknown">apd.dumpdir</strong>
 setting from the <var class="filename">php.ini</var> file is used.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">fragment</code></dt>

     <dd>

      <p class="para">
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.apd-set-pprof-trace-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns path of the destination file.
  </p>
 </div>

 
 <div class="refsect1 examples" id="refsect1-function.apd-set-pprof-trace-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-436">
    <p><strong>Example #1 <span class="function"><strong>apd_set_pprof_trace()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />apd_set_pprof_trace</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
    </div>

   </div>
  </p> 
 </div>


 <div class="refsect1 seealso" id="refsect1-function.apd-set-pprof-trace-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="apd_set_session_trace.html" class="function" rel="rdfs-seeAlso">apd_set_session_trace()</a> - Starts the session debugging</span></li>
   </ul>
  </p>
 </div>


</div></div></div></body></html>